Hydraulic tool



FIG. 1 is an isometric view of a top, rear, and left side of another ornamental design for a hydraulic tool;

FIG. 2 is a front elevational view of the hydraulic tool of FIG. 1 ;

FIG. 3 is a rear elevational view of the hydraulic tool of FIG. 1 ;

FIG. 4 is a left side elevational view of the hydraulic tool of FIG. 1 ;

FIG. 5 is a right side elevational view of the hydraulic tool of FIG. 1 ;

FIG. 6 is a top plan view of the hydraulic tool of FIG. 1 ; and,

FIG. 7 is a bottom plan view of the hydraulic tool of FIG. 1 . 

CLAIM The ornamental design for a hydraulic tool, as shown and described. 